Cohere Rerank 3.5 vs InternVL 2.5 78B

Compare Cohere Rerank 3.5 and InternVL 2.5 78B: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

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Feature Cohere Rerank 3.5 InternVL 2.5 78B
CategoryRerankingVision
Parameters~600M78B
Context Window4K128K
Input Price$0.002/search/1M tokens$0.05/1M tokens
Output PriceN/A/1M tokens$0.10/1M tokens
Latency~25ms~400ms

Choose Cohere Rerank 3.5 when:

  • ✓ Search reranking
  • ✓ RAG improvement
  • ✓ Result quality
Key Strengths:

Higher quality, Multilingual, Fast

Choose InternVL 2.5 78B when:

  • ✓ Document analysis
  • ✓ Chart reading
  • ✓ Visual Q&A
Key Strengths:

Strong visual reasoning, Open weights, Good OCR

Verdict: Cohere Rerank 3.5 vs InternVL 2.5 78B

For cost efficiency, Cohere Rerank 3.5 wins at $0.002/search/1M input tokens. For speed, Cohere Rerank 3.5 is faster at ~25ms. Cohere Rerank 3.5 excels at Search reranking while InternVL 2.5 78B is better for Document analysis. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Cohere Rerank 3.5 costs $0.002/search/1M input tokens and N/A/1M output tokens. InternVL 2.5 78B costs $0.05 input and $0.10 output. Cohere Rerank 3.5 is 25.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Cohere Rerank 3.5 has a 4K context window with ~25ms latency. InternVL 2.5 78B offers 128K context at ~400ms. InternVL 2.5 78B has the larger context window.

Best For

Cohere Rerank 3.5 (Reranking) is optimized for: Search reranking, RAG improvement, Result quality. InternVL 2.5 78B (Vision) works best for: Document analysis, Chart reading, Visual Q&A.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use Cohere Rerank 3.5
response_a = client.chat.completions.create(
    model="rerank-v3-5",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use InternVL 2.5 78B
response_b = client.chat.completions.create(
    model="internvl-2-5-78b",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Cohere Rerank 3.5 or InternVL 2.5 78B?

Cohere Rerank 3.5 (Reranking, ~600M) offers Higher quality. InternVL 2.5 78B (Vision, 78B) offers Strong visual reasoning. Choose Cohere Rerank 3.5 for Search reranking or InternVL 2.5 78B for Document analysis.

How much does Cohere Rerank 3.5 cost vs InternVL 2.5 78B?

Cohere Rerank 3.5: $0.002/search/1M input, N/A/1M output. InternVL 2.5 78B: $0.05/1M input, $0.10/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between Cohere Rerank 3.5 and InternVL 2.5 78B by changing the model parameter. No code changes needed.

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Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.